# Mould King 10203 V8 Engine Building Kit, 1,169 Pieces

Pieces: Mould King 10203 is a 1,169-piece V8 engine building kit with a claimed four-speed transmission and a model intended for display. Its hands-on mechanical build may suit older teens and adults, though customer feedback flags mixed experiences with instructions, missing parts and motor operation.

- [Original product page](https://bargainpostbox.co.uk/product/mould-king-10203-v8-engine-building-kit)
- [View offer](https://bargainpostbox.co.uk/visit/mould-king-10203-v8-engine-building-kit)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: Mould King
- Model: Building Set
- Category: Toys & Games > Building Sets & Models
- Price: 45.04 GBP
- Previous price: 52.99 GBP
- Discount: 15%
- Price checked: 2026-11-14T10:17:13.676Z
- Rating: 4.2 / 5
- Reviews: 112

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- The listing describes a four-speed transmission whose lever changes piston speed, chain tension and gear rotation.
- Designed as a build-and-display engine model, with parts said to be arranged in bags by assembly step.
- The manufacturer describes the kit as a STEM building project for ages 14 and up.

## Pros

- The 1,169-piece build and claimed four-speed mechanism offer a substantial mechanical construction project.
- Listed dimensions of 33.2 x 16.7 x 15.1 centimetres give a useful guide to display space.

## Specifications

### Identity and build
- Brand: Mould King
- Model: Building Set
- Pieces: 1169
- Recommended age: 14 years and up
- Educational objective: STEM
- Assembly required: Yes
- Transmission: 4-Speed Transmission
- Scale: 1:4 Scale
### Dimensions and weight
- Dimensions listed: 33.2 x 16.7 x 15.1 centimetres
- Weight listed: 1.19 Kilograms
### Materials and operation
- Material listed: Plastic
- Colour: Gray 1
- Operation mode: manual
- Battery requirement listed: 6 AA batteries required.

## Before you buy

- Customer feedback reports mixed instruction quality, reports of missing parts and inconsistent experiences with motor function.
- Battery information conflicts: product details specify 6 AA batteries, while a feature description says 6 AAA batteries. The claimed four-speed and lever-operated mechanism also sits alongside a listed manual operation mode, and the listing does not clearly establish how those descriptions relate. Check the selected listing's battery and operation details before purchase.

## In the box

- User manual (Included): The product details list this component.
- Battery box (Check selected pack): Mentioned in a feature description, but not in the explicit included-components field.
- L engine (Check selected pack): Mentioned in a feature description, but not in the explicit included-components field.

## A good fit for

- Older teens or adults interested in assembling and displaying a mechanical engine model.
- Buyers looking for a multi-step STEM-themed building project with a claimed gearbox.

## Less suited to

- Anyone who needs confirmed motor performance or consistently clear instructions, given the mixed customer feedback.
- Buyers who want a finished model rather than a kit requiring assembly.

## Customer feedback

Customer feedback describes the build as enjoyable and of good quality, while also reporting mixed instruction experiences, missing parts and motor-function concerns. Value opinions are divided. These reports matter for a kit whose appeal depends on completing the assembly and using the claimed transmission, but they do not establish how any individual set will perform.
- Positive themes: Customers describe the kit as fun to build and of good quality.
- Negative themes: Feedback includes reports of missing parts and criticism of the instructions.
- Mixed feedback: Customers report mixed experiences with motor function and value for money.

## Frequently asked questions

### How many pieces are listed?
The listing gives a piece count of 1169.
### Does it have a four-speed transmission?
The title and feature description claim a four-speed transmission operated by a gear lever. The details also list manual operation, so check the listing if the exact operating arrangement matters.
### Which batteries does it use?
The details specify 6 AA batteries, but a feature description says 6 AAA batteries. The listing is inconsistent, so confirm the requirement before buying.
### What do customers report about the build?
Feedback describes the kit as enjoyable and good quality, but also raises concerns about instructions, missing parts and motor function. Experiences with value are mixed.

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## Images

![Mould King 10203 V8 Engine Building Kit, 1,169 Pieces — 1](https://bargainpostbox.co.uk/i/Y5tX19PZmXgNv44kxdRl2xgdxaQcXjN-_vbO4TDzgk_04HUGT9WmX1wFEfTKgM2fnuOzferg7toOXlwbu1jSfiMkDBOWmJ7cO_VxeoPPz_Kh0AMEmCaT4FTj.jpg)

![Mould King 10203 V8 Engine Building Kit, 1,169 Pieces — 2](https://bargainpostbox.co.uk/i/pljI5cK8cqLgAX4R-lLhHzmOoDvJwtXVx3lvJCpv_ZDxpma5QwmSPZbCt6uBEQXDB2TDcH9vqaZspQ5Nz-hkCyWFUkSum3GMCAkLmSULPLChGm1LvLeFpf6b.jpg)

![Mould King 10203 V8 Engine Building Kit, 1,169 Pieces — 3](https://bargainpostbox.co.uk/i/pJeB0cyYqvZBuD58JdI2sbTKXqk8IQxJNVHsXtgdL0ntIv9u2Y9lyL_mfwsFtjVWOthsAx3rKziwROR5cAL2SCnagsXJEr-nyq63ZXKeJK7KDpMS4FN27ZZC.jpg)

![Mould King 10203 V8 Engine Building Kit, 1,169 Pieces — 4](https://bargainpostbox.co.uk/i/CQl_jNb_94YkyfFGLDbBvZiWjCvkQNaI8gtIXvkuQYO_GS-Zikv7v3Ml8UiMKgsmkQK4ft0ssTbuUbcUALmeTtgMrNiDYy5PBeRclA3XweASxAiX7o9xVaGx.jpg)

![Mould King 10203 V8 Engine Building Kit, 1,169 Pieces — 5](https://bargainpostbox.co.uk/i/4LcmXcKpNAhPWp7wGfxckHydNuMEbCRZ__VnP1esJDk9jcPgK6S8SMxK1Fwgr2sAegHxJDWHZcEU3pnV3sgzOst31D9447oiBnMkuUX4ZyVB8hGuEfz54uTq.jpg)

![Mould King 10203 V8 Engine Building Kit, 1,169 Pieces — 6](https://bargainpostbox.co.uk/i/lO8aesmplNaW7IJeDe3gLhSpQxrw0qSxY9sFKsmQSyq2vvxKZ3MCnZAgmxHQeZH8DT-MQovqOcTzVfUuM1TO_itFOFy95-jjbuevdhwkGfk7z6Z00Gxc7zKS.jpg)